commit 3527f78fe946aa777ca065605d984a738b8b91ba
Author: Jan Dankert 
Date:   Fri Mar 5 12:27:13 2021 +0100

    New: File preview should be displayed in an iframe.

 modules/cms/ui/themes/default/html/views/file/edit.php       |  2 +-
 .../cms/ui/themes/default/html/views/file/edit.tpl.src.xml   |  4 +++-
 modules/cms/ui/themes/default/html/views/file/preview.php    | 12 ++++++++++++
 .../ui/themes/default/html/views/file/preview.tpl.src.xml    | 10 ++++++++++
 4 files changed, 26 insertions(+), 2 deletions(-)